011-40705070  or  
Call me
Download our Mobile App
Select Board & Class
  • Select Board
  • Select Class
 

if the sum of all the terms of an AP : 1,4,7,10........x is 287 then find x

Asked by Mohammad Ibrahi...(student) , on 2/2/13


Become Expert
Score more in Math
Start Now with Video Lessons, Sample Papers, Revision Notes & more for Class-X - CBSE 

BEST ANSWER Certified by MeritNation Expert  

  1 + 4 + 7 + 10 +.... + x = 287

Let there be n terms in the A.P.

if u like this answer...plz thumbs up....

Posted by Bhaveen(student)on 2/2/13

This conversation is already closed by Expert

Ask a QuestionHave a doubt? Ask our expert and get quick answers.
Show me more questions

close